Using Support Material Well

"Start with a joke" is common advice, and yet many people can't tell jokes well. "Dazzle 'em with statistics" is another old saw, which often quickly leads instead to the MEGO ("My Eyes Glaze Over") syndrome. And if support is proven faulty, it can come back to erode the speaker's credibility.

Having dandy support is good; using it well is even better, as the following examples show.